1 files changed, 166 insertions, 0 deletions
diff --git a/test/std/strings/string.conversions/stod.pass.cpp b/test/std/strings/string.conversions/stod.pass.cpp
new file mode 100644
index 0000000000000..026d2301e0710
--- /dev/null
+++ b/test/std/strings/string.conversions/stod.pass.cpp
@@ -0,0 +1,166 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <string>
+
+// double stod(const string& str, size_t *idx = 0);
+// double stod(const wstring& str, size_t *idx = 0);
+
+#include <string>
+#include <cmath>
+#include <cassert>
+
+int main()
+{
+    assert(std::stod("0") == 0);
+    assert(std::stod(L"0") == 0);
+    assert(std::stod("-0") == 0);
+    assert(std::stod(L"-0") == 0);
+    assert(std::stod("-10") == -10);
+    assert(std::stod(L"-10.5") == -10.5);
+    assert(std::stod(" 10") == 10);
+    assert(std::stod(L" 10") == 10);
+    size_t idx = 0;
+    assert(std::stod("10g", &idx) == 10);
+    assert(idx == 2);
+    idx = 0;
+    assert(std::stod(L"10g", &idx) == 10);
+    assert(idx == 2);
+    try
+    {
+        assert(std::stod("1.e60", &idx) == 1.e60);
+        assert(idx == 5);
+    }
+    catch (const std::out_of_range&)
+    {
+        assert(false);
+    }
+    try
+    {
+        assert(std::stod(L"1.e60", &idx) == 1.e60);
+        assert(idx == 5);
+    }
+    catch (const std::out_of_range&)
+    {
+        assert(false);
+    }
+    idx = 0;
+    try
+    {
+        assert(std::stod("1.e360", &idx) == INFINITY);
+        assert(false);
+    }
+    catch (const std::out_of_range&)
+    {
+        assert(idx == 0);
+    }
+    try
+    {
+        assert(std::stod(L"1.e360", &idx) == INFINITY);
+        assert(false);
+    }
+    catch (const std::out_of_range&)
+    {
+        assert(idx == 0);
+    }
+    try
+    {
+        assert(std::stod("INF", &idx) == INFINITY);
+        assert(idx == 3);
+    }
+    catch (const std::out_of_range&)
+    {
+        assert(false);
+    }
+    idx = 0;
+    try
+    {
+        assert(std::stod(L"INF", &idx) == INFINITY);
+        assert(idx == 3);
+    }
+    catch (const std::out_of_range&)
+    {
+        assert(false);
+    }
+    idx = 0;
+    try
+    {
+        assert(std::isnan(std::stod("NAN", &idx)));
+        assert(idx == 3);
+    }
+    catch (const std::out_of_range&)
+    {
+        assert(false);
+    }
+    idx = 0;
+    try
+    {
+        assert(std::isnan(std::stod(L"NAN", &idx)));
+        assert(idx == 3);
+    }
+    catch (const std::out_of_range&)
+    {
+        assert(false);
+    }
+    idx = 0;
+    try
+    {
+        std::stod("", &idx);
+        assert(false);
+    }
+    catch (const std::invalid_argument&)
+    {
+        assert(idx == 0);
+    }
+    try
+    {
+        std::stod(L"", &idx);
+        assert(false);
+    }
+    catch (const std::invalid_argument&)
+    {
+        assert(idx == 0);
+    }
+    try
+    {
+        std::stod("  - 8", &idx);
+        assert(false);
+    }
+    catch (const std::invalid_argument&)
+    {
+        assert(idx == 0);
+    }
+    try
+    {
+        std::stod(L"  - 8", &idx);
+        assert(false);
+    }
+    catch (const std::invalid_argument&)
+    {
+        assert(idx == 0);
+    }
+    try
+    {
+        std::stod("a1", &idx);
+        assert(false);
+    }
+    catch (const std::invalid_argument&)
+    {
+        assert(idx == 0);
+    }
+    try
+    {
+        std::stod(L"a1", &idx);
+        assert(false);
+    }
+    catch (const std::invalid_argument&)
+    {
+        assert(idx == 0);
+    }
+}